Re: Dual vs. Single Oil Filters (Which is better)

[Todd Phenneger <phen9461@uidaho.edu>]

On Tue, 4 May 1999, Phil Payne wrote:

> Yes, WR had two filters.  MC/MB/1B had a single filter.  The delta is
> probably because of the introduction of hydraulic lifters and the need
> to keep the oil galleries filled with the engine off.  I would suggest
> that an engine with hydraulic lifters should retain the single filter
> with anti-drainback valve.  If you're determined to go with two (and I
> can see no benefit in competition, since you change the filters much
> more often anyway) I would suggest you review the effect the change
> has on the retention of oil in the hydraulic lifter oil supply.

	I thought they used basically the same filters for the main filter
so if the AUX filter also has an Anti-Drainback Valve then it may be a
better setup.  Hmmm.
	Thanks
		Todd